Atomic Theory and periodic table
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Last updated about 5 years ago
34 questions
2
The Ion Charge Determines the Number of Which Subatomic Particle?
The Ion Charge Determines the Number of Which Subatomic Particle?
2
_______________ discovered the electron using a ____________________;
_______________ discovered the electron using a ____________________;
2
The first person to suggest the existence of atoms was _______________.
The first person to suggest the existence of atoms was _______________.
2
By using the gold foil experiment and directing positively charged alpha particles at the foil, Ernest Rutherford discovered the ________________.
By using the gold foil experiment and directing positively charged alpha particles at the foil, Ernest Rutherford discovered the ________________.
2
While studying Ernest Rutherford's work, _______________ realized that there was another particle in the nucleus, that he later named the neutron.
While studying Ernest Rutherford's work, _______________ realized that there was another particle in the nucleus, that he later named the neutron.
6
Match the particle with its charge.
Match the particle with its charge.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Proton | arrow_right_alt | Positive |
Neutron | arrow_right_alt | neutral |
Electron | arrow_right_alt | negative |
2
Which of the following is the sum of the protons and neutrons in an atom?
Which of the following is the sum of the protons and neutrons in an atom?
2
Lithium, a highly reactive metal, has an atomic number of _________.
Lithium, a highly reactive metal, has an atomic number of _________.
2
Determine the mass number of an atom that has 9 protons and 8 neutrons.
Determine the mass number of an atom that has 9 protons and 8 neutrons.
10
- Niels Bohr
- Ernest Rutherford
- John Dalton
- J.J. Thomson
- Schrodinger, Einstein, and others
- Plum Pudding model
- Billiard Ball model
- Planetary, or nuclear model
2
Isotopes are atoms of the same element with different ______________.
Isotopes are atoms of the same element with different ______________.
2
All elements are electrically ______________ because they have an equal number of protons and neutrons.
All elements are electrically ______________ because they have an equal number of protons and neutrons.
2
The ___________ model of the atom arrange electrons in orbits or specific paths around the nucleus.
The ___________ model of the atom arrange electrons in orbits or specific paths around the nucleus.
10
Match the scientist with his experiment.
Match the scientist with his experiment.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
James Chadwick | arrow_right_alt | Gold foil experiment |
J.J. Thomson | arrow_right_alt | Cathode Ray Tube |
Robert Millikan | arrow_right_alt | Oil Drop experiment |
Erwin Schrodinger | arrow_right_alt | Neutron discovery |
Ernest Rutherford | arrow_right_alt | Quantum theory discovery |
2
This is the scientist given the credit for the formation of the periodic table:
This is the scientist given the credit for the formation of the periodic table:
2
What is the name of this group on the periodic table?
2
What is the name of the group highlighted in lilac?
2
What is the name of the group highlighted in orange?
2
What are the two rows of elements at the bottom of the chart called (the general name for both rows)?
2
The elements highlighted in blue are known as what? They bridge the gap between group 2A and 3A.
4
Can you name two transition metals?
Can you name two transition metals?
2
What percentage (roughly) of the elements are nonmetals?
2
What is the name of the group 7A (left of the nonreactive gases on the far right)?
2
The elements arranged on the stair-step line between the metals and non-metals are called what? (Olive green in this picture)
4
Bonus: Name the two elements that are liquid at room temperature.
Bonus: Name the two elements that are liquid at room temperature.
4
Can you name two metalloids?
4
Name two elements that are solids at room temperature.
Name two elements that are solids at room temperature.
4
Name two elements that are gases at room temperature.
Name two elements that are gases at room temperature.
2
The Atomic Number of an Element Determines the Number of Which Subatomic Particle?
The Atomic Number of an Element Determines the Number of Which Subatomic Particle?
4
Describe 2 properties of Alkali metals (can be chemical or physical)
Describe 2 properties of Alkali metals (can be chemical or physical)
2
The Ion Charge Determines the Number of Which Subatomic Particle?
The Ion Charge Determines the Number of Which Subatomic Particle?
2
All the atoms of the same element are identical
All the atoms of the same element are identical
6
Bonus: What makes Noble Gases unique?
Bonus: What makes Noble Gases unique?
8
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
purple oval | arrow_right_alt | element symbol |
red star | arrow_right_alt | element name |
Green square | arrow_right_alt | atomic number |
blue hexagon | arrow_right_alt | mass number |